19730968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 19437032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 271, 479, 542, 958, 1084, 1916, 2168, 3832, 5149, 9101, 10298, 18202, 20596, 36404, 41192, 72808, 129809, 259618, 519236, 1038472, 2466371, 4932742, 9865484, 19730968]

約数ペア:

[(1, 19730968), (2, 9865484), (4, 4932742), (8, 2466371), (19, 1038472), (38, 519236), (76, 259618), (152, 129809), (271, 72808), (479, 41192), (542, 36404), (958, 20596), (1084, 18202), (1916, 10298), (2168, 9101), (3832, 5149)]